Whiffletree-coupling



(No' Model.)

B. S. GENTRY. WHIFFLETREE COUPLING.

Patentd Jan 17, 1893.

UNITED STATES PATENT EDlVARD S. GENTRY, OF PANAOA, ASSIGNOR OF TWO-THIRDS TO AD- DINGTON L. COOK AND JOHN R. COOK, OF PIOOHE, NEVADA.

WHlFFLETREE-COUPLING.

SPECIFICATION forming part of Letters Patent No. 490,071, dated January 17, 1893.

Application filed $eptember 17, 1892- Serial No. 446,189. (No model.)

To a/ZZ whom it may concern: bolt 6 and the top portion of the rectangular Be it known that 1, EDWARD S. GENTRY, a loop 3 has a lug 7 extending therefrom procitizen of the United States, residing at Panavided with openings through which fastenca, in the county of Lincoln and State of Neings 8 are inserted to hold the said loop in vada, have invented a new and useful Whifposition. The front ends of the loop 3 are fietree-Ooupling, of which the following is a bent upward at an angle and bear against specification. each other as at 9, the one end 10 being ex- This invention relates to certain new and tended above the opposite end some distance useful improvements in whiifletree couplings and both ends then bent in a horizontal di- IO and has for its object to raise the single-tree rection as at 11 to provide a yoke or fork 12 above the double-tree so that it does not in-, in which is seated the central portion of the terfere with the double-tree when the horses single-tree. The central portions of each of are turning around, and therebyprevents the the single-trees on the top, bottom, and front catching of the inside of the singletree against and back sides are covered by metallic plates.

15 the inside of the double-tree which causes The one plate 13 is U-shaped and has the one tug or trace to slacken, leaving the entire ends thereof extending in the form of arms strain on the other tug and causing inconlet beyond the width of the central portion of veniences to and sore shoulders on the horses; the sin gle-tree and provided with openings 15 also to provide a perfect cent-er draft on the adapted to align with openings 16 in the hori- 2o double-tree, preventing the double-tree from zontally bent portions forming the yoke or dippingdown toward the horses and breaking fork 12 and in said openings is mounted a the bolt that holds it to the tongue of the bolt 17, which provides a pivotal connection wagon. for the single-tree. The said bolt- 17 is sur- VVith this object in view the invention 0011- rounded by a sleeve 18 to obviate wear di- 25 sists of the construction and arrangement of rectly on the bolt, and against the front cen- 7 5 the parts as will be more fully hereinafter detral portion of each of the single-trees is sescribed and claimed. cured a wear plate 19 adapted to contact with In the drawings:-Figure 1 is a perspective the sleeve 18 of the bolt 17 and obviate wear view of a whifietree showing the improved directly upon the single-tree at this point.

30 construction in connection therewith. Fig.2 The parts of the device are quickly and is a section on the line 00. :0. Fig. 1. Fig. 3 is easily assembled or disconnected and are a perspective view of the parts of the device strong and durable.

disconnected and on a larger scale, a portion Aside from the objects of the construction only of the double-tree and one single-tree heretofore set forth many advantages accrue being shown. from the employment of the device set forth 8 5 Similar numerals of reference are employed over and above similar devices existing in the to indicate corresponding parts in the several art. The ordinary single-tree clevis rests difigures. rectly on the double-tree and tends to pull it Referring to the drawings, the numeral 1 down, giving an uneven draft on the doubleo designates a double tree, and 2 the singletree and causingahreakageof thecenterbolt,

trees. or else it has a very long clevis that arranges The coupling consists of arectangular loop the single-tree too .far ahead of the double- 3, adapted to fit over the ends of the doubletree and even then does not give full play to tree 1 and having any opening t through the the single-tree in that interference with the 45 back thereof and also through the front pordouble-tree is not avoided. Another advan- 9 5 tion of the same which align with an opening rage of this improved construction resides in 5, in the end of the double-tree, said opening the location of the U-shaped plate having 5 being formed similarly with the opposite arms and secured to the single-tree, and loends of the double-tree. The said openings cated within the yoke or fork projecting from 5 4.- and 5 are adapted to receive the stay chainthe double-tree, which obviates the necessity 10:1

- of forming a hole or opening through the the double-tree and forwardly-extending arms in a different plane for the singletree, a plate attached to the singletree and adapted to take the wear between the singletree and arms, and

connecting-bolts for the parts,substantially as described. 2. Ina whiffietreecoupling, the combination of a double-tree having a loop removably attached thereto and provided with a lug and a pair of forwardly projecting arms with openings in the outer ends thereof and: forming a a p c yoke, a single-tree having a U-shaped plate connected thereto formed with arms extending beyond the width of said single-tree and provided with openings aligning with the openings in thesaid yoke, and a pivotal bolt connecting said yoke and arms of thesingietree, said single tree being embraced by said yoke andthe arms thereof lying within the said yoke, substantially as described.

In testimony that I claim the foregoing as my own l'have heretoaffixed my signature in the presence of two witnesses.

, EDWARD S. GENTRY.

Witnesses:

T. J. OSBORNE,

- Tues. M. FLYNN. 

